September 3 in San Antonio, through the years

Typical high: 30.6°. Hottest: 31.7° (2025). Coldest night: 19.1° (2022).

YEARHIGHLOWRAIN
2025 31.7° 20.1° 0.4 mm
2022 29.4° 19.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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